20260972

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 36330560

約数和(自身を除く): 16069588

約数列:

[1, 2, 4, 79, 97, 158, 194, 316, 388, 661, 1322, 2644, 7663, 15326, 30652, 52219, 64117, 104438, 128234, 208876, 256468, 5065243, 10130486, 20260972]

約数ペア:

[(1, 20260972), (2, 10130486), (4, 5065243), (79, 256468), (97, 208876), (158, 128234), (194, 104438), (316, 64117), (388, 52219), (661, 30652), (1322, 15326), (2644, 7663)]